Table 4 Results of blood survey
Indicators | Laos | Vietnam | P-value | ||
|---|---|---|---|---|---|
n | % | n | % | ||
Total no. of population in the study villages | 4,568 | 7,888 | |||
No. of family members in the study households (target for blood survey) | 2,435 | 53(a) | 5,071 | 64(a) | |
No. of blood examinations | 1,256 | 51.5(b) | 1,803 | 35.5(b) | 0.001 |
No. malaria positive by microscopy | 63 | 5.0 | 33 | 1.8 | |
Malaria species | |||||
P. falciparum | 30 | 47.6 | 18 | 54.5 | 0.47(c) |
P.vivax | 32 | 50.8 | 14 | 42.4 | |
Mix (P. falciparum + P.vivax) | 1 | 1.6 | 1 | 3.0 | |
Infection by age group | |||||
< 5 years (n: Laos =194; Vietnam = 251) | 12 | 6.2 | 5 | 2.0 | 0.022 |
5 – 14 years (n: Laos = 349; Vietnam = 750) | 33 | 9.5 | 12 | 1.6 | <0.001 |
≥15 years (n: Laos = 713; Vietnam = 802) | 18 | 2.5 | 16 | 2.0 | 0.487 |
Infection by gender | 0.52 | ||||
Male (n: Laos = 577; Vietnam = 816) | 30 | 47.6 | 18 | 54.5 | |
Female (n: Laos = 679; Vietnam = 987) | 33 | 52.4 | 15 | 45.5 | |